All posts tagged: Supercapacitor

MIT Concrete Supercapacitor Explained : Energy Density, Limits & Likely Uses

MIT Concrete Supercapacitor Explained : Energy Density, Limits & Likely Uses

MIT researchers have developed a new type of concrete that doubles as an energy storage device, as explained by Ziroth. This material, known as supercapacitor concrete, combines traditional concrete with carbon nanostructures and liquid electrolytes, allowing it to store and discharge energy while maintaining its structural integrity. Unlike batteries, which rely on chemical reactions, this concrete stores energy electrostatically, offering a unique way to integrate energy storage directly into buildings and infrastructure. While it achieves energy densities ten times higher than standard capacitors, challenges like scalability and durability remain key hurdles to its broader adoption. In this guide, you’ll learn how the material’s carbon nanostructures enhance conductivity, the role of organic electrolytes in boosting energy density, and the practical applications it could support, such as stabilizing wind turbine output. You’ll also explore the trade-offs, including its current limitations compared to lithium-ion batteries, and the steps needed to make it viable for large-scale use. By understanding these details, you can better appreciate how this technology could reshape energy management in construction and renewable energy sectors. Concrete …

Scientists convert cigarette butts into new material for fast, durable energy storage

Scientists convert cigarette butts into new material for fast, durable energy storage

Billions of cigarette butts end up on sidewalks, beaches, and gutters each year. They are small, easy to ignore, and hard to clean up. Over time, they can also leak toxic chemicals into soil and water. A new study suggests this familiar trash could become something far more useful: a high-performance material for fast, durable energy storage. Scientists from Shenyang Agricultural University report that they can convert discarded cigarette butts into an advanced carbon material that works as a strong electrode for supercapacitors. The study describes a process that turns the filters into nitrogen and oxygen co-doped nanoporous biochar. In lab tests, the material stored large amounts of charge, charged quickly, and stayed stable through thousands of cycles. “Our work shows that cigarette butts are not just a pollution problem, but also a valuable carbon resource,” said corresponding author Leichang Cao. “By converting them into functional porous carbon materials, we can address waste management while supporting clean energy technologies.” SEM images of (a) H-hydrochar, (b) CNPB-600-4, (c) CNPB-700-1, (d) CNPB-700-2, (e) CNPB-700-3, (f) CNPB-700-4, (g) …